A vehicle engineering inspection rack
Patent Information
- Application Number
- CN202522487531.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-24
- Publication Date
- 2026-10-30
- Estimated Expiration
- 2035-11-24
AI Technical Summary
[0003]由于不同型号的发动机与变速箱其壳体上的连接孔位置、角度和分布尺寸各异，传统的检修架或固定工装缺乏有效的适配调节能力；此外，发动机变速箱检修作业中，通常被简单地固定放置于工作平台上，无法对笨重的发动机变速箱进行圆周角度调节，为了检修不同方位的作业点，维修人员不得不频繁地、费力地围绕设备移动，甚至需要采取弯腰、蹲伏、攀爬等极不便利的姿势来适应固定的工件，这不仅极大地增加了操作者的劳动强度、降低了检修效率，更存在因姿势不当而引发的安全隐患；鉴于此，本申请基于上述技术问题进而提出了一种车辆工程用检修架
1.本实用新型通过设置转盘、卡板、连接杆、连接头，松开第一螺母，使卡板可在滑槽范围内沿固定杆滑动，从而初步调整其径向位置，随后，操作人员可手动调节连接杆及连接头的角度，使连接头精确对准发动机变速箱壳体上预置的连接孔并拧紧第一螺母，对准后将连接头穿过连接孔，并使用第二螺母从另一侧进行锁紧，发动机变速箱本体被悬挂固定在连接杆之间，由于每个连接头均可独立进行上述角度与位置的调节，从而能够可靠地夹持并固定不同尺寸、不同连接孔分布的发动机变速箱，提高了通用性，当需要对发动机变速箱本体进行圆周方向转动，以使其不同侧面朝向操作人员时，驱动组件驱动发动机变速箱本体圆周转动，操作人员只需站在一个固定位置，即可完成对工件各个方位的作业。
Smart Images
Figure CN224914719U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vehicle maintenance technology, and in particular to a maintenance rack for vehicle engineering. Background Technology
[0002] In the field of vehicle engineering, engines and transmissions are the core powertrain components of automobiles. They have complex structures and high precision requirements. During long-term operation, they inevitably need to be inspected and maintained due to wear, aging or accidental damage. At present, maintenance work on engines and transmissions usually needs to be carried out in professional repair workshops. Maintenance personnel generally use equipment such as gantry cranes, mobile jacks or simple support platforms to lift and position the assemblies.
[0003] Because the positions, angles, and distribution dimensions of the connection holes on the housings of different engine and transmission models vary, traditional maintenance racks or fixed fixtures lack effective adaptability and adjustment capabilities. Furthermore, during engine and transmission maintenance, they are typically simply fixed on a work platform, making it impossible to adjust the circumferential angle of the heavy engines and transmissions. To maintain different work points, maintenance personnel must frequently and laboriously move around the equipment, sometimes even adopting extremely inconvenient postures such as bending over, squatting, or climbing to adapt to the fixed workpiece. This not only greatly increases the operator's labor intensity and reduces maintenance efficiency but also poses safety hazards due to improper posture. Therefore, this application proposes a maintenance rack for vehicle engineering based on the aforementioned technical problems. Utility Model Content
[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology and propose a vehicle engineering maintenance rack.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: A vehicle engineering maintenance frame includes a base frame, an engine and gearbox body is disposed on the top of the base frame, a lifting device is fixedly installed on the upper surface of the base frame, a lifting column is fixedly installed at the output end of the lifting device, a fixing plate is fixedly installed at the top of the lifting column, two connecting plates are fixedly installed on the upper surface of the fixing plate, a bushing is fixedly installed between the connecting plates, and a rotating rod is rotatably installed inside the bushing. One end of the rotating rod is connected to a drive assembly for driving its circumferential rotation. The other end of the rotating rod is fixedly mounted on a turntable. Several fixed rods arranged in a circular array are fixedly mounted on the turntable. A retaining plate is sleeved on the outside of each fixed rod. The retaining plate has a sliding groove. One end of each fixed rod is threaded with a first nut. The retaining plate is fixedly connected to the turntable through the first nut. A connecting rod is fixedly mounted on one side of the retaining plate. One end of the connecting rod is fixedly mounted with a connector. The connector passes through a connecting hole on the engine and gearbox body and is threaded with a second nut. The connector is fixedly connected to the engine and gearbox body through the second nut.
[0006] Furthermore, the drive assembly includes a worm gear fixedly installed outside the rotating rod, a support plate fixedly installed near the top of the lifting column, a housing fixedly installed on the upper surface of the support plate, the worm gear located inside the housing, one end of the rotating rod rotatably installed on the inner wall of the housing, a worm gear rotatably installed on the inner wall of the housing, the worm gear meshing with the worm gear, and one end of the worm gear penetrating through the housing and fixedly installed with a rocker arm.
[0007] Furthermore, the lifting device is a foot-operated lifting device.
[0008] Furthermore, the base frame includes a support plate and an I-beam that are fixedly connected to each other. Self-locking casters are fixedly installed on the lower surfaces of the support plate and the I-beam. A push rod is fixedly installed on one side of the support plate.
[0009] Furthermore, an oil receiving tray is provided above the I-beam, and limit blocks are fixedly installed at the four corners of the I-beam, with the oil receiving tray snapped between the limit blocks.
[0010] Furthermore, two first placement trays are fixedly installed on the upper surface of the pallet, and the two first placement trays are distributed on the left and right sides of the lifting device. A second placement tray is fixedly installed on the outer side of the lifting column.
[0011] Furthermore, the surfaces of the oil receiving tray, the first placement tray, and the second placement tray are all coated with an oleophobic layer.
[0012] Furthermore, the radius of the connector is smaller than that of the connecting rod.
[0013] The beneficial effects of this utility model are as follows: 1. This utility model, by setting up a turntable, a clamping plate, a connecting rod, and a connector, allows the clamping plate to slide along the fixed rod within the sliding groove range after the first nut is loosened, thereby initially adjusting its radial position. Subsequently, the operator can manually adjust the angle of the connecting rod and the connector to precisely align the connector with the pre-set connecting hole on the engine gearbox housing and tighten the first nut. After alignment, the connector is passed through the connecting hole and locked from the other side using the second nut. The engine gearbox body is suspended and fixed between the connecting rods. Since each connector can be independently adjusted in the aforementioned angle and position, it can reliably clamp and fix engine gearboxes of different sizes and with different connecting hole distributions, improving versatility. When it is necessary to rotate the engine gearbox body circumferentially so that its different sides face the operator, the drive assembly drives the engine gearbox body to rotate circumferentially. The operator only needs to stand in a fixed position to complete the operation on the workpiece in various directions.
[0014] 2. By setting up an oil receiving tray, if there is an oil leak during maintenance, the oil will drip directly into the oil receiving tray, avoiding pollution of the maintenance work environment. Since the surface of the oil receiving tray is coated with an oleophobic layer, the oil is difficult to adhere to, which facilitates subsequent centralized cleaning and recycling, and keeps the working environment clean.
[0015] 3. By setting up a first placement tray and a second placement tray, the present invention allows larger disassembled parts to be placed on the first placement tray and smaller parts to be placed on the second placement tray, providing a convenient temporary storage location for tools and parts. The oleophobic coating on its surface can also prevent oil stains. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of a vehicle engineering maintenance rack proposed in this utility model; Figure 2 This is a schematic diagram of the tray of a vehicle engineering maintenance rack proposed in this utility model; Figure 3 This is a side view of a vehicle engineering inspection frame proposed in this utility model; Figure 4 This is a cross-sectional view of the chassis of a vehicle engineering maintenance rack proposed in this utility model; Figure 5 This is a schematic diagram of the base frame of a vehicle engineering maintenance frame proposed in this utility model.
[0017] In the diagram: 1. Base frame; 2. Engine and gearbox body; 3. Lifting device; 4. Lifting column; 5. Fixing plate; 6. Connecting plate; 7. Bushing; 8. Rotating rod; 9. Turntable; 10. Fixing rod; 11. Clamping plate; 12. Slide groove; 13. First nut; 14. Connecting rod; 15. Connector; 16. Second nut; 17. Worm gear; 18. Support plate; 19. Engine box; 20. Worm; 21. Rocker arm; 22. Support plate; 23. I-beam plate; 24. Self-locking caster wheel; 25. Push rod; 26. Oil receiving tray; 27. Limiting block; 28. First placement tray; 29. Second placement tray. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0019] Reference Figure 1-3 A vehicle engineering maintenance frame includes a base frame 1, an engine and gearbox body 2 is disposed on the top of the base frame 1, a lifting device 3 is fixedly installed on the upper surface of the base frame 1, a lifting column 4 is fixedly installed at the output end of the lifting device 3, a fixing plate 5 is fixedly installed at the top of the lifting column 4, two connecting plates 6 are fixedly installed on the upper surface of the fixing plate 5, a bushing 7 is fixedly installed between the connecting plates 6, and a rotating rod 8 is rotatably installed inside the bushing 7; One end of the rotating rod 8 is connected to a drive assembly for driving its circumferential rotation. The other end of the rotating rod 8 is fixedly mounted on a turntable 9. Several fixed rods 10 arranged in a circular array are fixedly mounted on the turntable 9. A retaining plate 11 is sleeved on the outside of the fixed rod 10. A sliding groove 12 is opened on the retaining plate 11. A first nut 13 is threadedly connected to one end of the fixed rod 10. The retaining plate 11 is fixedly connected to the turntable 9 through the first nut 13. A connecting rod 14 is fixedly mounted on one side of the retaining plate 11. A connector 15 is fixedly mounted on one end of the connecting rod 14. The connector 15 passes through a connecting hole on the engine and gearbox body 2 and is threadedly connected to a second nut 16. The connector 15 is fixedly connected to the engine and gearbox body 2 through the second nut 16. First, use a crane to lift the engine and gearbox body 2 above the base frame 1. Loosen the first nut 13 to allow the clamping plate 11 to slide along the fixing rod 10 within the sliding groove 12, thereby initially adjusting its radial position. Then, the operator can manually adjust the angle of the connecting rod 14 and the connector 15 so that the connector 15 is precisely aligned with the pre-set connecting hole on the engine and gearbox housing and tighten the first nut 13. After alignment, pass the connector 15 through the connecting hole and lock it from the other side using the second nut 16. The engine and gearbox body 2 is suspended and fixed between the connecting rods 14. Since each connector 15 can be independently adjusted in the above-mentioned angle adjustment... With position adjustment, it can reliably clamp and fix engine gearboxes of different sizes and with different connection hole distributions, improving versatility; after fixing, maintenance work is carried out. When it is necessary to adjust the tilt angle of the engine gearbox body 2, the operator can use the lifting device 3 to drive the lifting column 4 to lift vertically and adjust the height of the engine gearbox body 2. When it is necessary to rotate the engine gearbox body 2 in a circular direction so that its different sides face the operator, the drive component drives the engine gearbox body 2 to rotate in a circular direction. The operator only needs to stand in a fixed position to complete the work on all directions of the workpiece.
[0020] Reference Figure 1 , Figure 4 Specifically: the drive assembly includes a worm gear 17 fixedly installed outside the rotating rod 8, a support plate 18 fixedly installed near the top of the lifting column 4, a housing 19 fixedly installed on the upper surface of the support plate 18, the worm gear 17 located inside the housing 19, one end of the rotating rod 8 rotatably installed on the inner wall of the housing 19, a worm 20 rotatably installed on the inner wall of the housing 19, the worm 20 meshing with the worm gear 17, and one end of the worm 20 penetrating through the housing 19 and fixedly installed with a rocker arm 21; The operator cranks the rocker arm 21 to drive the worm gear 20 to rotate. The worm gear 20 meshes with the worm wheel 17 fixed on the rotating rod 8, converting the horizontal rotational motion into the circumferential rotation of the rotating rod 8. The inherent self-locking characteristic of the worm wheel 17 and worm gear 20 mechanism ensures that the engine and gearbox body 2 can be reliably locked at any angle and will not reverse under gravity, thus ensuring maintenance safety.
[0021] Reference Figure 1 Specifically: the lifting device 3 is a foot-operated lifting device.
[0022] Reference Figure 1 , Figure 5 Specifically: the base frame 1 includes a support plate 22 and an I-beam 23 that are fixedly connected to each other. The lower surfaces of the support plate 22 and the I-beam 23 are both fixedly equipped with self-locking casters 24. A push rod 25 is fixedly installed on one side of the support plate 18. By pushing the push rod 25, maintenance personnel can move the entire device to the area to be inspected via the self-locking casters 24.
[0023] Reference Figure 1 , Figure 5 Specifically: an oil receiving tray 26 is provided above the I-beam 23, and limit blocks 27 are fixedly installed at the four corners of the I-beam 23. The oil receiving tray 26 is snapped between the limit blocks 27. During maintenance, if there is an oil leak, the oil will drip directly into the oil receiving tray 26 to avoid contaminating the maintenance work environment.
[0024] Reference Figure 1 Specifically: two first placement trays 28 are fixedly installed on the upper surface of the pallet 22. The two first placement trays 28 are distributed on the left and right sides of the lifting device 3. A second placement tray 29 is fixedly installed on the outside of the lifting column 4. Larger parts can be placed on the first placement tray 28 and smaller parts can be placed on the second placement tray 29, providing a convenient temporary storage location for tools and parts.
[0025] Reference Figure 1 Specifically, the surfaces of the oil receiving tray 26, the first placement tray 28, and the second placement tray 29 are all coated with an oleophobic layer to prevent oil contamination.
[0026] Reference Figure 2 Specifically, the radius of the connector 15 is smaller than that of the connector 14.
[0027] Working principle: First, a crane is used to lift the engine and gearbox body 2 above the base frame 1. The first nut 13 is loosened, allowing the clamping plate 11 to slide along the fixing rod 10 within the sliding groove 12, thereby initially adjusting its radial position. Subsequently, the operator can manually adjust the angle of the connecting rod 14 and the connector 15, so that the connector 15 is precisely aligned with the pre-set connecting hole on the engine and gearbox housing, and tighten the first nut 13. After alignment, the connector 15 is passed through the connecting hole, and the second nut 16 is used to lock it from the other side. The engine and gearbox body 2 is suspended and fixed between the connecting rods 14. Since each connector 15 can be independently subjected to the above-mentioned procedures... The angle and position can be adjusted to reliably clamp and fix engine gearboxes of different sizes and with different connection hole distributions, thus improving versatility. After fixing, maintenance work can be carried out. When it is necessary to adjust the tilt angle of the engine gearbox body 2, the operator can use the lifting device 3 to drive the lifting column 4 to lift vertically and adjust the height of the engine gearbox body 2. When it is necessary to rotate the engine gearbox body 2 in a circular direction so that different sides face the operator, the drive component drives the engine gearbox body 2 to rotate in a circular direction. The operator only needs to stand in a fixed position to complete the work on all sides of the workpiece. The operator cranks the rocker arm 21 to drive the worm gear 20 to rotate. The worm gear 20 meshes with the worm wheel 17 fixed on the rotating rod 8, converting the horizontal rotational motion into the circumferential rotation of the rotating rod 8. The inherent self-locking characteristic of the worm wheel 17 and worm gear 20 mechanism ensures that the engine and gearbox body 2 can be reliably locked at any angle and will not reverse under the action of gravity, thus ensuring maintenance safety. By pushing the push rod 25, maintenance personnel can move the entire device to the area to be inspected via the self-locking casters 24; During maintenance, if there is an oil leak, the oil will drip directly into the oil receiving tray 26 to avoid contaminating the maintenance work environment. Since the surface of the oil receiving tray 26 is coated with an oleophobic layer, oil is difficult to adhere to, which facilitates subsequent centralized cleaning and recycling, keeping the working environment clean. In addition, larger disassembled parts can be placed on the first placement tray 28 and smaller parts can be placed on the second placement tray 29, providing a convenient temporary storage location for tools and parts. The oleophobic layer on its surface can also prevent oil contamination.
[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
[0029] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.
Claims
1. A vehicle engineering inspection rack, characterized in that, Includes a base frame (1), an engine and gearbox body (2) is provided above the base frame (1), a lifting device (3) is fixedly installed on the upper surface of the base frame (1), a lifting column (4) is fixedly installed at the output end of the lifting device (3), a fixing plate (5) is fixedly installed at the top of the lifting column (4), two connecting plates (6) are fixedly installed on the upper surface of the fixing plate (5), a bushing (7) is fixedly installed between the connecting plates (6), and a rotating rod (8) is rotatably installed inside the bushing (7). One end of the rotating rod (8) is connected to a drive assembly for driving its circumferential rotation. The other end of the rotating rod (8) is fixedly installed with a turntable (9). Several fixed rods (10) arranged in a circular array are fixedly installed on the turntable (9). A retaining plate (11) is sleeved on the outside of the retaining rod (10). A sliding groove (12) is opened on the retaining plate (11). One end of the retaining rod (10) is threadedly connected with a first nut (13). The retaining plate (11) is fixedly connected to the turntable (9) through the first nut (13). A connecting rod (14) is fixedly installed on one side of the retaining plate (11). A connector (15) is fixedly installed on one end of the connecting rod (14). The connector (15) passes through the connecting hole on the engine gearbox body (2) and is threadedly connected with a second nut (16). The connector (15) is fixedly connected to the engine gearbox body (2) through the second nut (16).
2. The vehicle engineering inspection rack according to claim 1, characterized in that, The drive assembly includes a worm gear (17) fixedly installed outside the rotating rod (8), a support plate (18) fixedly installed near the top of the lifting column (4), a housing (19) fixedly installed on the upper surface of the support plate (18), the worm gear (17) is located inside the housing (19), one end of the rotating rod (8) is rotatably installed on the inner wall of the housing (19), a worm (20) is rotatably installed on the inner wall of the housing (19), the worm (20) is meshed with the worm gear (17), one end of the worm (20) passes through the housing (19) and is fixedly installed with a rocker arm (21).
3. The vehicle engineering inspection rack according to claim 1, characterized in that, The lifting device (3) is a foot-operated lifting device.
4. A vehicle engineering inspection rack according to claim 2, characterized in that, The base frame (1) includes a support plate (22) and an I-beam (23) that are fixedly connected to each other. The lower surfaces of the support plate (22) and the I-beam (23) are fixedly equipped with self-locking casters (24). A push rod (25) is fixedly installed on one side of the support plate (18).
5. A vehicle engineering inspection rack according to claim 4, characterized in that, An oil receiving tray (26) is provided above the I-beam (23), and limit blocks (27) are fixedly installed at the four corners of the I-beam (23). The oil receiving tray (26) is snapped between the limit blocks (27).
6. A vehicle engineering inspection rack according to claim 5, characterized in that, Two first placement plates (28) are fixedly installed on the upper surface of the pallet (22). The two first placement plates (28) are distributed on the left and right sides of the lifting device (3). A second placement plate (29) is fixedly installed on the outside of the lifting column (4).
7. A vehicle engineering inspection rack according to claim 6, characterized in that, The oil receiving tray (26), the first placement tray (28), and the second placement tray (29) are all coated with an oleophobic layer.
8. A vehicle engineering inspection rack according to claim 1, characterized in that, The radius of the connector (15) is smaller than that of the connecting rod (14).